Sean Guinnane, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Buffalo, NY
Sean Guinnane, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Buffalo, New York, and NPI 1346997137, issued on Mar 2, 2022. Check the license (New York 403981, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sean Guinnane
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 403981 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1050 Niagara St, Buffalo, NY 14213
- Phone
- (716) 856-2587
- Enumerated
- Mar 2, 2022
- Record last updated
- Jun 17, 2022
- Fax
- (716) 856-2608
- Medicare enrollment
- Enrolled (PECOS I20220511001386); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Also registered at 1050 Niagara St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fadhil AbbasSocial Worker1588222418
- Hamed AbdelrahmanCase Manager/Care Coordinator1912775297
- Shimaa AbdulCase Manager/Care Coordinator1427886548
- Sundus AbdullahCase Manager/Care Coordinator1447952874
- Shaymaa AbdulrazzaqCase Manager/Care Coordinator1285391755
- Jawad AbedCounselor1942798418
Verify Sean Guinnane in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 403981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,065 Medicare Part D claims for 62 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Olanzapine70 claims
- Divalproex Sodium Er61 claims
- Fluoxetine Hcl59 claims
- Trazodone Hcl43 claims
- Invega Sustenna42 claims
- Risperidone42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Erie County South East Corp VBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Guinnane among 4,129 psychiatric/mental health nurse practitioner records in New York
Sean Guinnane, PMHNP is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 69% of them.
- NPI issued2022 · 69% of these records are older, 24% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2021 · median 2021 among the 1,914 with a school on file
- Record last updated2022 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in New York
There are 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Buffalo → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Tucsha BradberryBuffalo, NY 142131073917118
- Alexis Di Palma, DNP, APRN, PMHNP-BCBuffalo, NY 142131326382631
- Alyssa Hamel, DNP, PMHNP-BCBuffalo, NY 142131013569979
- Lori Haspett, REGISTERED NURSEBuffalo, NY 142131639494388
- Courtney KesselBuffalo, NY 142131538651237
- David KimBuffalo, NY 142131760978050
- Kai Mbeke, PMHNPBuffalo, NY 142131548587678
- Lynnmarie MillerBuffalo, NY 142131184278202
Common questions
What is Sean Guinnane, PMHNP's NPI number?
Sean Guinnane, PMHNP's National Provider Identifier (NPI) is 1346997137, issued on Mar 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sean Guinnane, PMHNP located?
The NPPES record lists a practice address at 1050 Niagara St, Buffalo, NY, 14213. Phone: (716) 856-2587. Providers update this record themselves, so call before visiting.
How can I verify Sean Guinnane, PMHNP's license?
NPPES lists New York license number 403981, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Sean Guinnane, PMHNP prescribe under Medicare Part D?
In 2024, Sean Guinnane, PMHNP had 1,065 Medicare Part D claims for 62 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.